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anonymous

  • one year ago

Do you know and understand the three methods used to identify sample spaces?

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  1. anonymous
    • one year ago
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    @Vocaloid

  2. Vocaloid
    • one year ago
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    ...well, do you?

  3. anonymous
    • one year ago
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    A well-defined sample space is one of three basic elements in a probabilistic model (a probability space); the other two are a well-defined set of possible events (a sigma-algebra) and a probability assigned to each event (a probability measure function).

  4. anonymous
    • one year ago
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    no but can you explain what the three methods used to identify sample spaces are? @Vocaloid

  5. anonymous
    • one year ago
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    well all it is is all of a sample or what you are testing i've never heard of 3 ways to identify it and im in Stat 3

  6. Vocaloid
    • one year ago
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    hm, is there like a textbook or something that goes with your class?

  7. Vocaloid
    • one year ago
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    I guess it would be something like: 1. counting principle 2. tree diagram 3. ????

  8. anonymous
    • one year ago
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    yea its probably a text book method

  9. anonymous
    • one year ago
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    i dont know :(

  10. Vocaloid
    • one year ago
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    for the third one, I would guess making a table or just listing out outcomes

  11. anonymous
    • one year ago
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    could it be these three? 1. independent event 2. compound event 3. tree diagram

  12. Vocaloid
    • one year ago
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    maybe, where did you find those answers?

  13. anonymous
    • one year ago
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    in my textbook

  14. Vocaloid
    • one year ago
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    go with that then

  15. anonymous
    • one year ago
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    ok i have more questions :)

  16. anonymous
    • one year ago
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    Describe and give an example of a compound event?

  17. anonymous
    • one year ago
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    @Vocaloid

  18. anonymous
    • one year ago
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    If you flip three fair coins, what is the probability that you'll get heads on the first two flips and tails on the last flip?

  19. anonymous
    • one year ago
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    is an example

  20. Vocaloid
    • one year ago
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    ^

  21. anonymous
    • one year ago
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    whats the answer to that example?

  22. Vocaloid
    • one year ago
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    uh, the question just asked to describe and give an example, but if you want the answer...

  23. Vocaloid
    • one year ago
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    flipping three coins means that we can consider each coin separately 1. heads on first flip 2. tails on second flip 3. tails on third flip calculate each of those three probabilities separately, then multiply

  24. anonymous
    • one year ago
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    yea

  25. anonymous
    • one year ago
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    so whats the answer?

  26. anonymous
    • one year ago
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    .125

  27. anonymous
    • one year ago
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    or .5^3

  28. Vocaloid
    • one year ago
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    but do you understand how to find that answer geny?

  29. Vocaloid
    • one year ago
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    that's the important part

  30. anonymous
    • one year ago
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    yes :)

  31. Vocaloid
    • one year ago
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    explain then

  32. anonymous
    • one year ago
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    oh i was writing an explanation lol

  33. Vocaloid
    • one year ago
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    geny, please explain how musicdude got the answer 0.5^3

  34. anonymous
    • one year ago
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    i dont know.. im sorry i didnt want to sound dumb if i said no :(

  35. anonymous
    • one year ago
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    its .5 *.5*.5 because it is a 1/2 prob of happening for each

  36. anonymous
    • one year ago
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    do get why now?

  37. anonymous
    • one year ago
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    yea

  38. anonymous
    • one year ago
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    its 3 different probs you multiply together because they are compound

  39. anonymous
    • one year ago
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    so the answer is 0.5^3. How do you say that answer in words?

  40. anonymous
    • one year ago
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    is it zero . five to the power of 3?

  41. Vocaloid
    • one year ago
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    yeah, or just 0.125, or 1/8

  42. Vocaloid
    • one year ago
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    0.5^3 = 0.125 = 1/8 take your pick

  43. anonymous
    • one year ago
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    awesome. thanks :)

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